甘肅省金昌一中高三英語(yǔ)Unit1grammarpoints1學(xué)案

1、課題b3unit 1 grammar1學(xué)習(xí)目標(biāo)enable the ss to use modal verbs 合 作互動(dòng)學(xué)生活動(dòng)教學(xué)設(shè)計(jì)及二次備課學(xué)習(xí)重點(diǎn)learn the modal verbs互動(dòng)與展示 用于肯定的陳述句中，表示理論上或習(xí)慣上的可能性。it can be quite cold here in winter.這里的冬天有時(shí)還真夠冷的。even an experienced doctor can make a mistake.即使經(jīng)驗(yàn)豐富的醫(yī)生也會(huì)犯錯(cuò)誤can與be able to(1)can只有現(xiàn)在時(shí)和過(guò)去時(shí)could，而be able to則有更多的時(shí)態(tài)變化，在將來(lái)時(shí)、完

2、成時(shí)和非謂語(yǔ)動(dòng)詞中只能用be able to。(2)can一般指自身具有的能力，而be able to則表示經(jīng)過(guò)一段時(shí)間的努力后所具有的能力，相當(dāng)于manage to do或succeed in doingnew contents: ss have a discussion about the two parts.after finishing the discussion, ask students to show their points on the blackboard. 學(xué)習(xí)難點(diǎn)enable the ss how to use modal verbs 自主研討學(xué)生活動(dòng)教學(xué)設(shè)計(jì)及二次備

3、課目標(biāo)與導(dǎo)入learning aim: 1. to learn modal verbs2. enable the ss how to use modal verbslead-inaim showing lead-in自學(xué)與診斷1can與could的用法(1)表示能力(could是過(guò)去式)。i can speak english fluently while he cant.我會(huì)說(shuō)流利的英語(yǔ)而他不會(huì)。(2)表示猜測(cè)“可能”，一般用于疑問(wèn)句和否定句(could是過(guò)去式)。 look! someone is coming! who can it be?看，有人來(lái)了，會(huì)是誰(shuí)呢？ it cant be

4、him. he has gone to paris.不可能是他，他去了巴黎。(3)表示請(qǐng)求和許可(could表更委婉的語(yǔ)氣，回答時(shí)只能用can)。you can use my dictionary.你可以用我的詞典。 could i use your computer? 我能用一下你的電腦嗎？ yes, you can. 是的，你可以。homework comments and revision:ask the students to review modal verbs精講 與點(diǎn)撥2may與might的用法(1)表示允許、許可。might在語(yǔ)氣上比may更委婉。以may/might開(kāi)頭的問(wèn)句

5、在否定回答中要用mustnt。you may keep the book for two weeks.這本書(shū)你可以看兩周。 may i use your telephone?我可以用你的電話(huà)嗎？ yes, you may./no, you mustnt是的，可以。/不，不可以。(2)表示把握不大的推測(cè)，意為“可能”，用于肯定句。might語(yǔ)氣更加不肯定，指現(xiàn)在或?qū)?lái)，只有在賓語(yǔ)從句中might do (be)才表示過(guò)去的可能性。i think he may come today/tomorrow.我認(rèn)為今天/明天他可能會(huì)來(lái)。i thought you might like something

6、to read, so i bought some books for you.我想你可能喜歡讀點(diǎn)東西，因此我給你買(mǎi)了些書(shū)(3)may用于祈使句表示祝愿。may you have a good journey!祝你旅行愉快！may you succeed!祝你成功！ the teacher properly gives instructions.檢測(cè)與評(píng)價(jià)學(xué)生活動(dòng)教學(xué)設(shè)計(jì)及二次備課達(dá)標(biāo)檢測(cè)題精講與點(diǎn)撥檢測(cè)與糾錯(cuò)3will與would的用法(1)表示意志、意愿和決心用于各種人稱(chēng)，will指現(xiàn)在，would指過(guò)去。john promised his doctor he would not smok

7、e, and he has never smoked ever since.約翰向醫(yī)生許諾他不再吸煙，自從那時(shí)他從沒(méi)吸過(guò)煙。please give me another chance; i will never do that again.請(qǐng)?jiān)俳o我一次機(jī)會(huì)，我再也不會(huì)做那事了(2)表示請(qǐng)求、建議。用于第二人稱(chēng)的疑問(wèn)句，would表示更委婉的語(yǔ)氣。would you mind opening the window for me?請(qǐng)你為我打開(kāi)窗戶(hù)好嗎？will you call back later, please? 請(qǐng)過(guò)一會(huì)兒再打過(guò)來(lái)好嗎？(3)表示習(xí)慣性的動(dòng)作，意思是“總是；習(xí)慣于”。will

8、指現(xiàn)在，would指過(guò)去。fish will die without water. 魚(yú)離開(kāi)水總是要死的。she would sit there for hours, reading a book.她過(guò)去總是會(huì)坐在那里讀幾個(gè)小時(shí)書(shū)。the teacher properly gives instructions.點(diǎn)津would與used to兩者均表示“過(guò)去常?！?，但would僅表示過(guò)去的習(xí)慣性動(dòng)作(不表狀態(tài))，現(xiàn)在有可能還如此，也可能不再那樣；used to既表示過(guò)去的動(dòng)作也表示過(guò)去的狀態(tài)，不過(guò)現(xiàn)在不再做或不再有那種狀態(tài)了。he would take a walk near the forest

9、 in the evening. 以前，他晚間常在森林附近散步。he used to take a walk near the forest in the evening.他過(guò)去常在晚間到森林附近散步。(而現(xiàn)在已不在那里散步了)(4)用于否定句，表示“不肯；不樂(lè)意”。no matter what i said, he wouldnt listen to me.無(wú)論我說(shuō)什么，他就是不肯聽(tīng)我的。1 the room is so dirty._ we clean it? ok.awill bshall cwould dcan2_i use the dictionary to look up new

10、words in the exam?im afraid not.awould bshould cmay dwill3 must he come to sign this paper himself? yes, he _aneed bmust cmay dwill4 are you coming to jeffys party? im not sure. i _ go to the concert instead.amust bwould cshould dmight5 is jack on duty today? it _ be him, its his turn tomorrow.amust

11、nt bwont ccant dneednt總結(jié)與升華1. (2012·全國(guó)卷)im going to europe on vacation together with john if i _ find the money.acanbmight cwould dneed2. (2011·江西高考)it _ be the postman at the door. its only six oclock.amustnt bcant cwont dneednt3. (2012·四川高考)i got close enough to hear them speaking chinese, and i said “ni hao ”， just as i _ do in china.amust bmight ccan dshoul